APA Citation

Institute of english language training. (2011). Buku pintar IELTS: Institute of english language training. Yogyakarta: B First.

Chicago Style Citation

Institute of english language training. Buku Pintar IELTS: Institute of English Language Training. Yogyakarta: B First, 2011.

MLA Citation

Institute of english language training. Buku Pintar IELTS: Institute of English Language Training. Yogyakarta: B First, 2011.

Warning: These citations may not always be 100% accurate.